System Administrator

Client Solution Architects (CSA) is currently seeking an onsite System Administrator in Millington, TN.

For nearly 50 years, CSA has delivered integrated technology and operational support services to meet the defense and federal sector's most complex enterprise needs. Working from operations centers and shipyards to training sites and program offices, CSA deploys experienced teams, innovative tools and proven processes to advance federal missions.

How Role will make an impact:

• Administer and troubleshoot Microsoft Server and Microsoft Workstation environments, maintaining system availability and supporting day-to-day operations.
• Manage directory and authentication dependencies using Active Directory and LDAP, supporting account administration, access workflows, and service integrations.
• Support certificate and PKI-enabled requirements using Microsoft Certificate Server and ActivIdentity ActivClient.
• Configure and troubleshoot core network services and connectivity dependencies, including IPv4/6, DNS, DHCP, VPN, and SSL/TLS, to maintain reliable access and service reachability.
• Perform secure remote administration and command-line support using PuTTY, and support controlled file movement using SFTP and FTP when required.
• Monitor infrastructure health and troubleshoot performance/availability issues using SolarWinds to identify conditions that drive outages or configuration drift.
• Support standardized operations and repeatable processing by administering job scheduling tools such as Control M and Control D.
• Support system hardening and privileged administration concepts using Microsoft Enhanced Security Administrative Environment (ESAE) practices as applicable.
• Maintain technical documentation, diagrams, and operational artifacts using Microsoft Office Suite to include Visio/Project, and collaborate through SharePoint and FlankSpeed Teams.

Requirements

What you'll need to have to join our award-winning team:

• Clearance: Must possess and maintain an active Secret Clearance.
• 10 years of relevant experience supporting system administration, troubleshooting, and enterprise IT operations in managed environments.
• Operating systems and platforms: MS Server, MS Workstation.
• Identity and access: Active Directory, LDAP, Microsoft Certificate Server, ActivIdentity ActivClient.
• Networking: IPv4/6, DNS, DHCP, VPN, SSL/TLS, Network Engineering.
• Secure administration and transfer: PuTTY, SFTP, FTP.
• Monitoring and operational tooling: SolarWinds, Control M, Control D.
• Collaboration and documentation: SharePoint, FlankSpeed Teams, Microsoft Office Suite to include Visio/Project.